Description: The Kolmogorov quotient is a topology on the quotient set. (Contributed by Mario Carneiro, 25-Aug-2015)
Ref | Expression | ||
---|---|---|---|
Assertion | kqf | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ovex | |
|
2 | df-kq | |
|
3 | 1 2 | fnmpti | |
4 | kqt0 | |
|
5 | 4 | biimpi | |
6 | 5 | rgen | |
7 | ffnfv | |
|
8 | 3 6 7 | mpbir2an | |